Finding the Fourth Proportional to 31,060.09, 46,589.58 and 7,686.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,060.09 : 46,589.58 = 7,686.55 : x
2. Step 2: Convert to fraction form
   31,060.09/46,589.58 = 7,686.55/x
3. Step 3: Cross multiply
   31,060.09x = 46,589.58 × 7,686.55
4. Step 4: Simplify right side
   31,060.09x = 358,113,136.15
5. Step 5: Solve for x
   x = 358,113,136.15/31,060.09
6. Step 6: Final answer
   x = 11,529.69